[gimp/goat-invasion: 95/241] app: add GimpPickable::get_babl_format()



commit 664df9244f98ad1476363d0bbf230ec505a55dc5
Author: Michael Natterer <mitch gimp org>
Date:   Sat Mar 17 15:21:11 2012 +0100

    app: add GimpPickable::get_babl_format()

 app/core/gimpdrawable.c   |   13 +++++----
 app/core/gimpimagemap.c   |   62 ++++++++++++++++++++++++++-------------------
 app/core/gimppickable.c   |   15 +++++++++++
 app/core/gimppickable.h   |   28 +++++++++++---------
 app/core/gimpprojection.c |   41 ++++++++++++++++++++++++------
 5 files changed, 106 insertions(+), 53 deletions(-)
---
diff --git a/app/core/gimpdrawable.c b/app/core/gimpdrawable.c
index 97435f7..51251aa 100644
--- a/app/core/gimpdrawable.c
+++ b/app/core/gimpdrawable.c
@@ -269,12 +269,13 @@ gimp_drawable_init (GimpDrawable *drawable)
 static void
 gimp_drawable_pickable_iface_init (GimpPickableInterface *iface)
 {
-  iface->get_image      = (GimpImage     * (*) (GimpPickable *pickable)) gimp_item_get_image;
-  iface->get_image_type = (GimpImageType   (*) (GimpPickable *pickable)) gimp_drawable_type;
-  iface->get_bytes      = (gint            (*) (GimpPickable *pickable)) gimp_drawable_bytes;
-  iface->get_buffer     = (GeglBuffer    * (*) (GimpPickable *pickable)) gimp_drawable_get_read_buffer;
-  iface->get_tiles      = (TileManager   * (*) (GimpPickable *pickable)) gimp_drawable_get_tiles;
-  iface->get_pixel_at   = gimp_drawable_get_pixel_at;
+  iface->get_image       = (GimpImage     * (*) (GimpPickable *pickable)) gimp_item_get_image;
+  iface->get_babl_format = (const Babl    * (*) (GimpPickable *pickable)) gimp_drawable_get_babl_format;
+  iface->get_image_type  = (GimpImageType   (*) (GimpPickable *pickable)) gimp_drawable_type;
+  iface->get_bytes       = (gint            (*) (GimpPickable *pickable)) gimp_drawable_bytes;
+  iface->get_buffer      = (GeglBuffer    * (*) (GimpPickable *pickable)) gimp_drawable_get_read_buffer;
+  iface->get_tiles       = (TileManager   * (*) (GimpPickable *pickable)) gimp_drawable_get_tiles;
+  iface->get_pixel_at    = gimp_drawable_get_pixel_at;
 }
 
 static void
diff --git a/app/core/gimpimagemap.c b/app/core/gimpimagemap.c
index 528f58a..2295a15 100644
--- a/app/core/gimpimagemap.c
+++ b/app/core/gimpimagemap.c
@@ -97,30 +97,31 @@ struct _GimpImageMap
 
 static void   gimp_image_map_pickable_iface_init (GimpPickableInterface *iface);
 
-static void            gimp_image_map_dispose        (GObject             *object);
-static void            gimp_image_map_finalize       (GObject             *object);
-
-static GimpImage     * gimp_image_map_get_image      (GimpPickable        *pickable);
-static GimpImageType   gimp_image_map_get_image_type (GimpPickable        *pickable);
-static gint            gimp_image_map_get_bytes      (GimpPickable        *pickable);
-static GeglBuffer    * gimp_image_map_get_buffer     (GimpPickable        *pickable);
-static TileManager   * gimp_image_map_get_tiles      (GimpPickable        *pickable);
-static gboolean        gimp_image_map_get_pixel_at   (GimpPickable        *pickable,
-                                                      gint                 x,
-                                                      gint                 y,
-                                                      guchar              *pixel);
+static void            gimp_image_map_dispose         (GObject             *object);
+static void            gimp_image_map_finalize        (GObject             *object);
+
+static GimpImage     * gimp_image_map_get_image       (GimpPickable        *pickable);
+static const Babl    * gimp_image_map_get_babl_format (GimpPickable        *pickable);
+static GimpImageType   gimp_image_map_get_image_type  (GimpPickable        *pickable);
+static gint            gimp_image_map_get_bytes       (GimpPickable        *pickable);
+static GeglBuffer    * gimp_image_map_get_buffer      (GimpPickable        *pickable);
+static TileManager   * gimp_image_map_get_tiles       (GimpPickable        *pickable);
+static gboolean        gimp_image_map_get_pixel_at    (GimpPickable        *pickable,
+                                                       gint                 x,
+                                                       gint                 y,
+                                                       guchar              *pixel);
 
 static void            gimp_image_map_update_undo_tiles
-                                                     (GimpImageMap        *image_map,
-                                                      const GeglRectangle *rect);
-static gboolean        gimp_image_map_do             (GimpImageMap        *image_map);
-static void            gimp_image_map_data_written   (GObject             *operation,
-                                                      const GeglRectangle *extent,
-                                                      GimpImageMap        *image_map);
+                                                      (GimpImageMap        *image_map,
+                                                       const GeglRectangle *rect);
+static gboolean        gimp_image_map_do              (GimpImageMap        *image_map);
+static void            gimp_image_map_data_written    (GObject             *operation,
+                                                       const GeglRectangle *extent,
+                                                       GimpImageMap        *image_map);
 static void            gimp_image_map_cancel_any_idle_jobs
-                                                     (GimpImageMap        *image_map);
+                                                      (GimpImageMap        *image_map);
 static void            gimp_image_map_kill_any_idle_processors
-                                                     (GimpImageMap        *image_map);
+                                                      (GimpImageMap        *image_map);
 
 
 G_DEFINE_TYPE_WITH_CODE (GimpImageMap, gimp_image_map, GIMP_TYPE_OBJECT,
@@ -153,12 +154,13 @@ gimp_image_map_class_init (GimpImageMapClass *klass)
 static void
 gimp_image_map_pickable_iface_init (GimpPickableInterface *iface)
 {
-  iface->get_image      = gimp_image_map_get_image;
-  iface->get_image_type = gimp_image_map_get_image_type;
-  iface->get_bytes      = gimp_image_map_get_bytes;
-  iface->get_buffer     = gimp_image_map_get_buffer;
-  iface->get_tiles      = gimp_image_map_get_tiles;
-  iface->get_pixel_at   = gimp_image_map_get_pixel_at;
+  iface->get_image       = gimp_image_map_get_image;
+  iface->get_babl_format = gimp_image_map_get_babl_format;
+  iface->get_image_type  = gimp_image_map_get_image_type;
+  iface->get_bytes       = gimp_image_map_get_bytes;
+  iface->get_buffer      = gimp_image_map_get_buffer;
+  iface->get_tiles       = gimp_image_map_get_tiles;
+  iface->get_pixel_at    = gimp_image_map_get_pixel_at;
 }
 
 static void
@@ -262,6 +264,14 @@ gimp_image_map_get_image (GimpPickable *pickable)
   return gimp_pickable_get_image (GIMP_PICKABLE (image_map->drawable));
 }
 
+static const Babl *
+gimp_image_map_get_babl_format (GimpPickable *pickable)
+{
+  GimpImageMap *image_map = GIMP_IMAGE_MAP (pickable);
+
+  return gimp_pickable_get_babl_format (GIMP_PICKABLE (image_map->drawable));
+}
+
 static GimpImageType
 gimp_image_map_get_image_type (GimpPickable *pickable)
 {
diff --git a/app/core/gimppickable.c b/app/core/gimppickable.c
index 052e816..7f2d051 100644
--- a/app/core/gimppickable.c
+++ b/app/core/gimppickable.c
@@ -106,6 +106,21 @@ gimp_pickable_get_image_type (GimpPickable *pickable)
   return -1;
 }
 
+const Babl *
+gimp_pickable_get_babl_format (GimpPickable *pickable)
+{
+  GimpPickableInterface *pickable_iface;
+
+  g_return_val_if_fail (GIMP_IS_PICKABLE (pickable), -1);
+
+  pickable_iface = GIMP_PICKABLE_GET_INTERFACE (pickable);
+
+  if (pickable_iface->get_babl_format)
+    return pickable_iface->get_babl_format (pickable);
+
+  return NULL;
+}
+
 gint
 gimp_pickable_get_bytes (GimpPickable *pickable)
 {
diff --git a/app/core/gimppickable.h b/app/core/gimppickable.h
index 96f4e2e..195a314 100644
--- a/app/core/gimppickable.h
+++ b/app/core/gimppickable.h
@@ -35,19 +35,20 @@ struct _GimpPickableInterface
   GTypeInterface base_iface;
 
   /*  virtual functions  */
-  void            (* flush)          (GimpPickable *pickable);
-  GimpImage     * (* get_image)      (GimpPickable *pickable);
-  GimpImageType   (* get_image_type) (GimpPickable *pickable);
-  gint            (* get_bytes)      (GimpPickable *pickable);
-  GeglBuffer    * (* get_buffer)     (GimpPickable *pickable);
-  TileManager   * (* get_tiles)      (GimpPickable *pickable);
-  gboolean        (* get_pixel_at)   (GimpPickable *pickable,
-                                      gint          x,
-                                      gint          y,
-                                      guchar       *pixel);
-  gint            (* get_opacity_at) (GimpPickable *pickable,
-                                      gint          x,
-                                      gint          y);
+  void            (* flush)           (GimpPickable *pickable);
+  GimpImage     * (* get_image)       (GimpPickable *pickable);
+  const Babl    * (* get_babl_format) (GimpPickable *pickable);
+  GimpImageType   (* get_image_type)  (GimpPickable *pickable);
+  gint            (* get_bytes)       (GimpPickable *pickable);
+  GeglBuffer    * (* get_buffer)      (GimpPickable *pickable);
+  TileManager   * (* get_tiles)       (GimpPickable *pickable);
+  gboolean        (* get_pixel_at)    (GimpPickable *pickable,
+                                       gint          x,
+                                       gint          y,
+                                       guchar       *pixel);
+  gint            (* get_opacity_at)  (GimpPickable *pickable,
+                                       gint          x,
+                                       gint          y);
 };
 
 
@@ -55,6 +56,7 @@ GType           gimp_pickable_interface_get_type (void) G_GNUC_CONST;
 
 void            gimp_pickable_flush              (GimpPickable *pickable);
 GimpImage     * gimp_pickable_get_image          (GimpPickable *pickable);
+const Babl    * gimp_pickable_get_babl_format    (GimpPickable *pickable);
 GimpImageType   gimp_pickable_get_image_type     (GimpPickable *pickable);
 gint            gimp_pickable_get_bytes          (GimpPickable *pickable);
 GeglBuffer    * gimp_pickable_get_buffer         (GimpPickable *pickable);
diff --git a/app/core/gimpprojection.c b/app/core/gimpprojection.c
index 92ea946..1f1863c 100644
--- a/app/core/gimpprojection.c
+++ b/app/core/gimpprojection.c
@@ -61,6 +61,7 @@ static gint64      gimp_projection_get_memsize           (GimpObject      *objec
 
 static void        gimp_projection_pickable_flush        (GimpPickable    *pickable);
 static GimpImage * gimp_projection_get_image             (GimpPickable    *pickable);
+static const Babl * gimp_projection_get_babl_format      (GimpPickable    *pickable);
 static GimpImageType gimp_projection_get_image_type      (GimpPickable    *pickable);
 static gint        gimp_projection_get_bytes             (GimpPickable    *pickable);
 static GeglBuffer  * gimp_projection_get_buffer          (GimpPickable    *pickable);
@@ -161,14 +162,15 @@ gimp_projection_init (GimpProjection *proj)
 static void
 gimp_projection_pickable_iface_init (GimpPickableInterface *iface)
 {
-  iface->flush          = gimp_projection_pickable_flush;
-  iface->get_image      = gimp_projection_get_image;
-  iface->get_image_type = gimp_projection_get_image_type;
-  iface->get_bytes      = gimp_projection_get_bytes;
-  iface->get_buffer     = gimp_projection_get_buffer;
-  iface->get_tiles      = gimp_projection_get_tiles;
-  iface->get_pixel_at   = gimp_projection_get_pixel_at;
-  iface->get_opacity_at = gimp_projection_get_opacity_at;
+  iface->flush           = gimp_projection_pickable_flush;
+  iface->get_image       = gimp_projection_get_image;
+  iface->get_babl_format = gimp_projection_get_babl_format;
+  iface->get_image_type  = gimp_projection_get_image_type;
+  iface->get_bytes       = gimp_projection_get_bytes;
+  iface->get_buffer      = gimp_projection_get_buffer;
+  iface->get_tiles       = gimp_projection_get_tiles;
+  iface->get_pixel_at    = gimp_projection_get_pixel_at;
+  iface->get_opacity_at  = gimp_projection_get_opacity_at;
 }
 
 static void
@@ -292,6 +294,29 @@ gimp_projection_get_image (GimpPickable *pickable)
   return gimp_projectable_get_image (proj->projectable);
 }
 
+static const Babl *
+gimp_projection_get_babl_format (GimpPickable *pickable)
+{
+  GimpProjection *proj = GIMP_PROJECTION (pickable);
+  GimpImageType   type;
+
+  type = gimp_projectable_get_image_type (proj->projectable);
+
+  switch (GIMP_IMAGE_TYPE_BASE_TYPE (type))
+    {
+    case GIMP_RGB:
+    case GIMP_INDEXED:
+      return babl_format ("RGBA u8");
+
+    case GIMP_GRAY:
+      return babl_format ("YA u8");
+    }
+
+  g_assert_not_reached ();
+
+  return NULL;
+}
+
 static GimpImageType
 gimp_projection_get_image_type (GimpPickable *pickable)
 {



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